THE NATURAL CHEMISTRY OF OUR EARTH
NATURAL MINERALS, THAT WE USE EVERY DAY
OUR EARTH, IS MADE OF MANY COMBINATIONS OF ATOMIC ELEMENTS
EACH DIFFERENT COMBINATION, IS CALLED A DIFFERENT MINERAL.
CLICK ON THE NAMES OF THE DIFFERENT MINERALS
TO LEARN, HOW THEY CAN HELP YOU - IN YOUR LIFE
ENGLISH NAMES DOS FILE NAMES
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